CN109337073A - A kind of methyl vinyl silicone rubber sealant yielding system and out adhesive process - Google Patents
A kind of methyl vinyl silicone rubber sealant yielding system and out adhesive process Download PDFInfo
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- CN109337073A CN109337073A CN201811361124.7A CN201811361124A CN109337073A CN 109337073 A CN109337073 A CN 109337073A CN 201811361124 A CN201811361124 A CN 201811361124A CN 109337073 A CN109337073 A CN 109337073A
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- storage tank
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- low molecule
- molecule device
- silicone rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of methyl vinyl silicone rubber sealant yielding systems, including de- low molecule device, storage tank, condenser, and de- low molecule device bottom is connect through pipeline with storage tank, and storing pot bottom is connect through pipeline with condenser；The storage tank is at least connected in parallel by two storage tanks.The storage tank is connected in parallel by two storage tanks, specially storage tank one, storage tank two, i.e., de- low molecule device bottom is connect with storage tank one, storage tank two respectively through pipeline.Compared with prior art, the present invention the rejected product that can be generated to avoid traditional rubber outlet machine discharge system, improves production efficiency, while can also reduce environmental pollution while reducing energy consumption.
Description
Technical field
The present invention relates to a kind of pressing system, especially a kind of methyl vinyl silicone rubber sealant yielding system and out adhesive process,
Belong to the technical field of chemical industry equipment and engineering process.
Background technique
Methyl vinyl silicone rubber is the copolymer of dimethyl siloxane chain link Yu methyl vinyl silicone chain link, with benefit
Strong agent and other auxiliary materials are prepared into rubber compound under certain condition, obtain in vulcanizing agent, certain temperature and pressure condition various
Silicon rubber elastic product, have excellent thermal stability, weatherability, physiological inertia, Aeronautics and Astronautics, electronics, electric appliance, instrument,
Medicine, food daily use chemicals industry are all widely used.
There are mainly three types of the production methods of methyl vinyl silicone rubber, continous way, intermittent and semi continuous.Continous way is raw
Production is to measure, be dehydrated, polymerizeing, taking off all continuous operations of low and plastic emitting；Batch production is all processes same anti-
It answers in kettle and completes；Semi continuous production is metering and dehydration is intermittently operated, polymerize, takes off low and plastic emitting continuous operation.
Most domestic device is all made of semi continuous production procedure at present, and the sealant yielding system of large-scale manufacturing enterprise is mostly
Screw extruder continuously squeezes out plastic emitting, and screw extruder uses tetrafluoro packing_seal, and wherein sealing ring is vulnerable part, sealing ring damage
Tetrafluoro packing can enter in silicon rubber after bad, form impurity glue, influence product quality.
Rubber outlet machine sealing system needs periodic inspection, and the repair time is partially long, and must generate a certain amount of impurity glue after overhauling, no
Conducive to the raising of production efficiency.
Summary of the invention
The present invention is directed to deficiencies present in the screw extruder discharge system for conventional methyl vinylsiloxane rubber
Place, invention free from admixture introducing always, efficient, environmental protection and energy-efficient methyl vinyl silicone rubber sealant yielding system.
The present invention adopts the following technical scheme:
A kind of methyl vinyl silicone rubber sealant yielding system, including de- low molecule device, storage tank, condenser, take off low molecule device bottom
It is connect through pipeline with storage tank, storing pot bottom is connect through pipeline with condenser；The storage tank is at least by two storage tanks
It is connected in parallel.
The storage tank is connected in parallel by two storage tanks, specially storage tank one, storage tank two, i.e., de- low molecule device
Bottom is connect with storage tank one, storage tank two respectively through pipeline.
The junction of the de- low molecule device and storage tank one, storage tank two is respectively arranged with top valve one, top
Valve two.
Nitrogen valve one, nitrogen valve two are respectively arranged at the nozzle of the storage tank one, storage tank two；And the pipe
Mouthful at be connected to de- low molecule device top through return pipe one, return pipe two respectively, be respectively arranged at the nozzle outlet valve one,
Outlet valve two.
Return pipe one, return pipe two and the junction on de- low molecule device top is respectively arranged with de- low molecule device side
Portion's outlet valve one, de- low molecule device lateral outlet valve two.
The storage tank one, two top inlet diameter of storage tank are 200-300mm；Storage tank one, two bottom of storage tank
Outlet diameter is 250-350mm, and outlet diameter is greater than inlet diameter.
The storage tank one, two bottom of storage tank respectively be respectively arranged with bottom end valve in condenser connecting pipe
One, bottom end valve two.
The present invention provides a kind of adhesive process out of methyl vinyl silicone rubber sealant yielding system, includes the following steps:
Storing: vacuumizing to de- low molecule device makes its vacuum degree -0.1MPa；De- low molecule device lateral outlet valve one, outlet valve
One, outlet valve two, top valve one, top valve two, bottom end valve one, bottom end valve two, nitrogen valve one, nitrogen valve
Two, condenser outlet at bottom is in closed state；Open the outlet valve one on one top of storage tank, de- low molecule device side goes out
Mouth valve one keeps de- low molecule device 1 consistent with one negative pressure of storage tank, opens top valve one, and sizing material is stored to storage tank one；Wait store up
After the sizing material of batch can one reaches 2/3 ~ 5/6, top valve one, outlet valve one are closed, opening outlet valve two makes de- low molecule
Device is consistent with two negative pressure of storage tank storage tank, opens two top valve two of storage tank, and sizing material is stored to storage tank two；
Plastic emitting: the nitrogen valve one for opening storage tank one makes storage tank one be in normal pressure, closes the nitrogen valve one of storage tank one,
Bottom end valve one, the condensator outlet of storage tank one are opened, nitrogen valve a pair of the storage tank one for opening storage tank one applies
0.01-0.50MPa pressure starts plastic emitting；
Switching: according to the method described above to a storage tank storing, a storage tank plastic emitting, two storage tank storing plastic emittings in turn.
It is had the following beneficial effects: using technical solution of the present invention
1. the impurity that the present invention has evaded regular screw extruders sealant yielding system introduces, product qualification rate is effectively promoted.Screw rod
Extruder uses tetrafluoro packing_seal, and wherein sealing ring is vulnerable part, and tetrafluoro packing can enter to silicon rubber after sealing ring damage,
Impurity must be introduced after Screw Extrusion machine overhauling to silicon rubber.
2. production efficiency can be improved in the present invention, and reduces environmental pollution.Screw extruder sealant yielding system needs periodic inspection, and
Time-consuming for maintenance, and machine oil in maintenance process etc. pollutes environment, and the present invention need to only carry out air-leakage test.
3. the present invention can reduce production cost.Screw extruder sealant yielding system leans on electric operation, and the present invention uses nitrogen pressure
Material, cost reduce.
Detailed description of the invention
Fig. 1 is the equipment drawing of methyl vinyl silicone rubber sealant yielding system, wherein 1. de- low molecule devices, 21. storage tanks
One, 22. storage tanks two, 3. condensers, 41. nitrogen valves one, 42. nitrogen valves two, 51. top valves one, 52. top valves
Two, 61. de- low molecule device lateral outlet valves one, 62. de- low molecule device lateral outlet valves two, 71. bottom end valves one, 72. bottom ends
Valve two, 81. outlet valves one, 82. outlet valves two.
Specific embodiment
Embodiment 1
A kind of methyl vinyl silicone rubber sealant yielding system, including de- low molecule device 1, storage tank 1, storage tank 2 22, condenser
3, de- 1 bottom of low molecule device is connect through pipeline with storage tank 1, storage tank 2 22 respectively, storage tank 1, storage tank 2 22
Bottom is connect through pipeline with condenser 3 respectively.De- low molecule device 1 and the junction of storage tank 1, storage tank 2 22 are set respectively
It is equipped with top valve 1, top valve 2 52.Storage tank 1, storage tank 2 22 nozzle at be respectively arranged with nitrogen valve
One 41, nitrogen valve 2 42；And it is connected to de- 1 top of low molecule device through return pipe 1, return pipe 2 32 respectively at the nozzle,
Outlet valve 1, outlet valve 2 82 are respectively arranged at the nozzle.Return pipe 1, return pipe 2 32 and de- low molecule device
The junction on 1 top is respectively arranged with de- low molecule device lateral outlet valve 1, de- low molecule device lateral outlet valve 2 62.Storing
Tank 1,2 22 top inlet diameter of storage tank are 200-300mm；Storage tank 1,2 22 outlet at bottom diameter of storage tank are
250-350mm, and outlet diameter is greater than inlet diameter.Storage tank 1,2 22 bottom of storage tank respectively with 3 connecting tube of condenser
Bottom end valve 1, bottom end valve 2 72 are respectively arranged on road.
Embodiment 2
A kind of adhesive process out of methyl vinyl silicone rubber sealant yielding system, includes the following steps:
Storing: vacuumizing to de- low molecule device 1 makes its vacuum degree -0.1MPa；De- low molecule device lateral outlet valve 1, outlet valve
Door one 81, outlet valve 2 82, top valve 1, top valve 2 52, bottom end valve 1, bottom end valve 2 72, nitrogen
Valve 1, nitrogen valve 2 42,3 outlet at bottom of condenser are in closed state；Open the outlet on one 21 top of storage tank
Valve 1, de- low molecule device lateral outlet valve 1 keep de- low molecule device 1 consistent with one 21 negative pressure of storage tank, open top valve
Door 1, sizing material is stored to storage tank 1；After the sizing material of storage tank 1 reaches 2/3 ~ 5/6, closing top valve 1,
Outlet valve 1, opening outlet valve 2 82 keeps de- low molecule device 1 consistent with 2 22 negative pressure of storage tank storage tank, opens storing
2 22 top valve 2 52 of tank, sizing material are stored to storage tank 2 22；
Plastic emitting: the nitrogen valve 1 for opening storage tank 1 makes storage tank 1 be in normal pressure, closes the nitrogen of storage tank 1
Air valve 1 opens the bottom end valve 1 of storage tank 1, condenser 3 exports, the nitrogen valve of opening storage tank 1
One 41 pairs of storage tanks 1 apply 0.01-0.50MPa pressure, start plastic emitting；
Switching: according to the method described above to a storage tank storing, a storage tank plastic emitting, two storage tank storing plastic emittings in turn.
1# Design of Production Line production capacity is 5000 tons/year, and sealant yielding system selects storage tank by nitrogen plastic emitting, and sealant yielding system is complete
Year fault-free, production line odd-numbered day maximum production are 16 tons；Annual qualification rate 99.8%, wherein because sealant yielding system generate it is unqualified
Product are zero；4.3 yuan/ton of sealant yielding system energy consumption cost.
2# Design of Production Line production capacity is 5000 tons/year, and sealant yielding system selects storage tank by nitrogen plastic emitting, and sealant yielding system is complete
Year fault-free, production line odd-numbered day maximum production are 16.3 tons；Annual qualification rate 99.4%, wherein because what sealant yielding system generated does not conform to
Lattice product are zero；4.2 yuan/ton of sealant yielding system energy consumption cost.
Comparative example 1
It is disposed under a kind of methyl vinyl silicone rubber sealant yielding system, including a de- low molecule device, de- low molecule device de-
Low molecule device bottom valve, screw type rubber outlet machine and condenser.
Comparative example 2
A kind of adhesive process out of methyl vinyl silicone rubber sealant yielding system, including the following steps: to vacuumize de- low molecule device makes
Its vacuum degree -0.1MPa, start to take off low, the de- low molecule of unlatching after de- low molecule device bottom sizing material accounts for de- low molecule 1/5-1/3
Device bottom valve, starting screw type rubber outlet machine start plastic emitting.
3# Design of Production Line production capacity is 5000 tons/year, and sealant yielding system selects the plastic emitting of screw type rubber outlet machine, and sealant yielding system is annual
Totally 2 failures, parking maintenance 3 days, production line odd-numbered day maximum production are 15 tons altogether；Annual qualification rate 98.8%, wherein because of plastic emitting system
The rejected product that system generates is 0.7%；8.7 yuan/ton of sealant yielding system energy consumption cost.
4# Design of Production Line production capacity is 5000 tons/year, and sealant yielding system selects the plastic emitting of screw type rubber outlet machine, and sealant yielding system is annual
Totally 5 failures, parking maintenance 5 days, production line odd-numbered day maximum production are 15.3 tons altogether；Annual qualification rate 98.5%, wherein because of plastic emitting
The rejected product that system generates is 1.2%；8.5 yuan/ton of sealant yielding system energy consumption cost.
Claims (7)
1. a kind of methyl vinyl silicone rubber sealant yielding system, including de- low molecule device (1), storage tank, condenser (3), feature
It is, de- low molecule device (1) bottom is connect through pipeline with storage tank, and storing pot bottom is connect through pipeline with condenser (3)；It is described
Storage tank be at least connected in parallel by two storage tanks.
2. methyl vinyl silicone rubber sealant yielding system described in claim 1, which is characterized in that the storage tank is stored up by two
Batch can is connected in parallel, specially storage tank one (21), storage tank two (22), i.e., de- low molecule device (1) bottom through pipeline respectively with
Storage tank one (21), storage tank two (22) connection.
3. methyl vinyl silicone rubber sealant yielding system as claimed in claim 2, which is characterized in that de- low molecule device (1) and storing
Tank one (21), storage tank two (22) junction be respectively arranged with top valve one (51), top valve two (52).
4. methyl vinyl silicone rubber sealant yielding system as claimed in claim 3, which is characterized in that storage tank one (21), storage tank
Nitrogen valve one (41), nitrogen valve two (42) are respectively arranged at the nozzle of two (22)；And respectively through return pipe at the nozzle
One (31), return pipe two (32) are connected to de- low molecule device (1) top, be respectively arranged at the nozzle outlet valve one (81),
Outlet valve two (82).
5. methyl vinyl silicone rubber sealant yielding system as claimed in claim 4, which is characterized in that return pipe one (31), return pipe
The junction on two (32) and de- low molecule device (1) top is respectively arranged with de- low molecule device lateral outlet valve one (61), takes off low point
Sub- device lateral outlet valve two (62).
6. methyl vinyl silicone rubber sealant yielding system as claimed in claim 2, which is characterized in that storage tank one (21), storage tank
Two (22) bottoms are respectively arranged with bottom end valve one (71), bottom end valve two (72) in condenser (3) connecting pipe respectively.
7. going out adhesive process using methyl vinyl silicone rubber sealant yielding system described in any one of claims 1-6, feature exists
In including the following steps:
Storing: vacuumizing to de- low molecule device 1 makes its vacuum degree -0.099 ~ 0.100MPa；De- low molecule device lateral outlet valve
One (61), outlet valve one (81), outlet valve two (82), top valve one (51), top valve two (52), bottom end valve one
(71), bottom end valve two (72), nitrogen valve one (41), nitrogen valve two (42), condenser (3) outlet at bottom are in closure
State；Open the outlet valve one (81) on storage tank one (21) top, de- low molecule device lateral outlet valve one (61) makes to take off low point
Sub- device 1 is consistent with storage tank one (21) negative pressure, opens top valve one (51), and sizing material is stored to storage tank one (21)；To storing
After the sizing material of tank one (21) reaches 2/3 ~ 5/6, top valve one (51), outlet valve one (81) are closed, open outlet valve two
(82) make de- low molecule device 1 consistent with storage tank storage tank two (22) negative pressure, open storage tank two (22) top valve two (52),
Sizing material is stored to storage tank two (22)；
Plastic emitting: the nitrogen valve one (41) for opening storage tank one (21) makes storage tank one (21) be in normal pressure, closes storage tank one
(21) nitrogen valve one (41) opens the bottom end valve one (71) of storage tank one (21), condenser 3 exports, opening storage tank
The nitrogen valve one (41) of one (21) applies 0.01-0.50MPa pressure to storage tank one (21), starts plastic emitting；
Switching: according to the method described above to a storage tank storing, a storage tank plastic emitting, two storage tank storing plastic emittings in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361124.7A CN109337073B (en) | 2018-11-15 | 2018-11-15 | Methyl vinyl silicone rubber discharging system and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361124.7A CN109337073B (en) | 2018-11-15 | 2018-11-15 | Methyl vinyl silicone rubber discharging system and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109337073A true CN109337073A (en) | 2019-02-15 |
| CN109337073B CN109337073B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811361124.7A Active CN109337073B (en) | 2018-11-15 | 2018-11-15 | Methyl vinyl silicone rubber discharging system and process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199291A (en) * | 2011-02-08 | 2011-09-28 | 溧阳市利达有机硅科技有限公司 | Crude rubber production system |
| CN105273194A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Equipment for producing methyl vinyl silicone rubber |
| CN205347299U (en) * | 2015-10-15 | 2016-06-29 | 吴长江 | Rubber apparatus for producing |
| RU2659414C1 (en) * | 2017-03-21 | 2018-07-02 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | System for the cryogenic liquid supply into the tank, the cryogenic liquid gasification and the high pressure gas storage |
-
2018
- 2018-11-15 CN CN201811361124.7A patent/CN109337073B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199291A (en) * | 2011-02-08 | 2011-09-28 | 溧阳市利达有机硅科技有限公司 | Crude rubber production system |
| CN105273194A (en) * | 2015-10-15 | 2016-01-27 | 吴长江 | Equipment for producing methyl vinyl silicone rubber |
| CN205347299U (en) * | 2015-10-15 | 2016-06-29 | 吴长江 | Rubber apparatus for producing |
| RU2659414C1 (en) * | 2017-03-21 | 2018-07-02 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | System for the cryogenic liquid supply into the tank, the cryogenic liquid gasification and the high pressure gas storage |
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| Publication number | Publication date |
|---|---|
| CN109337073B (en) | 2023-06-02 |
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